42804873 has 12 divisors (see below), whose sum is σ = 61933248. Its totient is φ = 28488600.

The previous prime is 42804857. The next prime is 42804887. The reversal of 42804873 is 37840824.

It is not a de Polignac number, because 42804873 - 2⁴ = 42804857 is a prime.

It is a super-2 number, since 2×42804873² = 3664514305092258, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42804833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2148 + ... + 9498.

It is an arithmetic number, because the mean of its divisors is an integer number (5161104).

Almost surely, 2^42804873 is an apocalyptic number.

It is an amenable number.

42804873 is a deficient number, since it is larger than the sum of its proper divisors (19128375).

42804873 is a wasteful number, since it uses less digits than its factorization.

42804873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8004 (or 8001 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 42804873 is about 6542.5433128104. The cubic root of 42804873 is about 349.8090740997.

The spelling of 42804873 in words is "forty-two million, eight hundred four thousand, eight hundred seventy-three".